1583 Antilochus (Asteroid)
From South El Monte , 1583 Antilochus is not observable – it will reach its highest point in the sky during daytime and is 20° below the horizon at dusk.
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Name
1583 Antilochus
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Object type
Asteroid
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Current position
| Computed for: | 15 September 2025 |
| Right ascension: | 11h47m [1] |
| Declination: | −14°58' [1] |
| Constellation: | Crater |
| Magnitude: | 16.53 (V) [1] |
| Distance: | 6.27 AU 52.14 lightmin [1] |
| Angular motion (speed): | 4.02 arcmin/day[1] |
| Angular motion (pos ang): | 272.3° |
Orbital elements [1]
| Semi-major axis: | 5.15 AU |
| Eccentricity: | 0.053642 |
| Inclination: | 28.49° |
| Longitude ascending node: | 221.38° |
| Argument of perihelion: | 188.88° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 107.04° |
| Absolute mag (H): | 8.58 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 4.87 AU |
| Aphelion: | 5.43 AU |
| Orbital period: | 11.69 years |